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Lab testing, laboratory and office locations around the world

Quest Diagnostics has headquarters in the U.S. and operations in India, Ireland, and Mexico. Our products and services are used by customers in over 130 countries. We also collaborate with many international diagnostic laboratories, hospitals and clinics to help improve human health around the world.

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Quest Diagnostics - Yarmouth

385 Route 1,

Yarmouth, ME 04096

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Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-12:00 pm
Saturday: Closed
Sunday: Closed
Intermed-Marginal Way

84 Marginal Way,

Portland, ME 04101

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12.03 mi away

Monday: 11:00 am-5:00 pm
Tuesday: 11:00 am-5:00 pm
Wednesday: 11:00 am-5:00 pm
Thursday: 11:00 am-5:00 pm
Friday: 11:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Topsham - Employer Drug Testing Not Offered

105 Topsham Fair Mall Rd,

Unit 5

Topsham, ME 04086

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Monday: 7:30 am-12:30 pm , 1:30 pm-4:00 pm
Tuesday: 7:30 am-12:30 pm , 1:30 pm-4:00 pm
Wednesday: 7:30 am-12:30 pm , 1:30 pm-4:00 pm
Thursday: 7:30 am-12:30 pm , 1:30 pm-4:00 pm
Friday: 7:30 am-12:30 pm , 1:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Intermed- 50 Foden Rd - Intermed- 50 Foden Rd

50 Foden Rd,

First Fl

South Portland, ME 04106

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14.97 mi away

Monday: 11:00 am-5:00 pm
Tuesday: 11:00 am-5:00 pm
Wednesday: 11:00 am-5:00 pm
Thursday: 11:00 am-5:00 pm
Friday: 11:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Outpatient Lab at York Hospital in Wells

114 Sanford Road,

Route 109

Wells, ME 04090

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40.67 mi away

Monday: 7:00 am-6:00 pm
Tuesday: 7:00 am-6:00 pm
Wednesday: 7:00 am-6:00 pm
Thursday: 7:00 am-6:00 pm
Friday: 7:00 am-6:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed

Our focus on your safety

Our safety precautions help ensure your confidence and comfort while visiting our Patient Service Centers to get the testing you need, today and every day.

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